This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Sr. Software Engineer - Grade II (Application Security) in EMEA.

In this role, you will join a specialized AppSec division that develops advanced application protection and white-box cryptography solutions. You will contribute to securing applications, keys, and data across multiple platforms, including mobile, web, desktop, and server. The work you do will directly impact billions of devices worldwide by defending against reverse engineering and data theft. As part of an agile Scrum team, you will engage with low-level application internals and implement innovative solutions to complex software security challenges. If you are passionate about building resilient systems and enjoy diving deep into how technologies work under the hood, this opportunity offers both challenge and impact.

Accountabilities

As a Senior Software Engineer in Application Security, you will:

Contribute to the design and development of advanced application security and cryptography solutions
Build and enhance protection mechanisms to secure applications, code, and sensitive data in untrusted environments
Work with C/C++ and Python to deliver reliable and high-performing security features
Investigate and analyze low-level application internals such as binary formats, assembly, and dex
Collaborate with cross-functional teams within an agile Scrum environment to drive product innovation
Play a key role in improving resilience against reverse engineering, tampering, and security threats

Requirements

To succeed in this role, you should bring:

5+ years of software development experience on mobile or desktop platforms
Strong proficiency in C/C++ and Python
Solid command of written and spoken English
Familiarity with modern programming languages such as Kotlin, Swift, Go, or Rust
Interest in low-level technologies, including assembly and binary file formats
Practical exposure to security threats and mitigation techniques, or experience solving CTF challenges
A problem-solving mindset with curiosity and a drive to understand systems deeply

Benefits

This position comes with a competitive package, including:

Gross monthly salary of 3600-4900 EUR, depending on experience
Flexible working hours and the option to work on-site or remotely
31 days of paid time off per year
Private health insurance coverage
Employer pension contributions
Wolt for Work meal vouchers
Mentorship programs, dedicated learning time, and full access to the O'Reilly learning platform
A collaborative and informal work environment focused on solving unique challenges in software security

Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.

When you apply, your profile goes through our AI-powered screening process designed to identify top talent efficiently and fairly.

🔍 Our AI evaluates your CV and LinkedIn profile thoroughly, analyzing your skills, experience, and achievements.

📊 It compares your profile to the job's core requirements and past success factors to determine your match score.

🎯 Based on this analysis, we automatically shortlist the 3 candidates with the highest match to the role.

🧠 When necessary, our human team may perform an additional manual review to ensure no strong profile is missed.

The process is transparent, skills-based, and free of bias — focusing solely on your fit for the role. Once the shortlist is completed, we share it directly with the company that owns the job opening. The final decision and next steps (such as interviews or additional assessments) are then managed by their internal hiring team.

Thank you for your interest!